Prejudice
[noun] hatred or unfair treatment toward a person or group without cause or reason, often directed toward people of a certain, race, religion, or ethnic group; an unfavorable opinion or feeling formed beforehand or without knowledge, thought, or reason; an opinion that is formed without knowing or understanding all the facts; one who displays this kind of attitude is prejudiced [adjective].
Ex: The police officer showed clear prejudice when he arrested the black man without cause, simply because he was in the park late at night.
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